MTU 20 V 4000 G23, Technical Publication

Page: 96 / 178

Troubleshooting 91
Fault
code No. Designation Meaning Task
Related
parameter No.
454 SS Power Reduction
Active
Alarm configuration; power
reduction is active.
1. Note further
fault messages.
2. Determine and
rectify reason
for power
reduction.
2.7000.011
455 AL Aux 1 Plant L1
Alarm configuration limit value
1; Input signal of Aux 1 (plant
side) has exceeded/not
attained limit value 1,
depending on configuration.
Determine and rectify
reason for limit value
violation.
2.8006.650
456 AL Aux 1 Plant L2
Alarm configuration limit value
2; Input signal of Aux 1 (plant
side) has exceeded/not
attained limit value 2,
depending on configuration.
Determine and rectify
reason for limit value
violation.
2.8006.651
460 AL Exhaust EMU High
Alarm configuration limit value;
EMU exhaust temperature
value too high.
1. Check cabling
2. Contact
Service.
2.8006.652
461 AL Exhaust EMU Low Alarm configuration limit value;
EMU exhaust temperature
value too low.
1. Check cabling
2. Contact
Service.
2.8006.653
462 AL Coolant EMU L1 Alarm configuration limit value;
EMU coolant temperature
value too high / low. Check configuration
with DiaSys.
2.8006.654
463 SD AUX 2 SD alarm configuration; Analog
input signal for Aux 2 faulty;
short circuit or wire break.
Check signal
transmitter and
cabling, replace as
necessary.
Error cleared after
restarting the engine.
1.8004.591
464 SD P-AUX 1 SD alarm configuration; Analog
input signal for Aux 1 pressure
faulty; short circuit or wire
break.
Check pressure
transmitter and
cabling, replace as
necessary.
Error cleared after
restarting the engine.
1.8004.589
465 SD P-AUX 2 SD alarm configuration; Analog
input signal for Aux 2 pressure
faulty; short circuit or wire
break.
Check pressure
transmitter and
cabling, replace as
necessary.
Error cleared after
restarting the engine.
1.8004.588
466 SD T-AUX 2 SD alarm configuration;
Analog input signal for Aux 2
temperature faulty; short circuit
or wire break.
Check temperature
sensor and cabling,
replace as necessary.
Error cleared after
restarting the engine.
1.8004.586
M015715/00E 06-08 © MTU